Spinning-frame.



No. 793,694. PATENTED JULY 4. 1905. R. TODD & J. A. & A. H STOTT. SPINNING FRAME.

APPLICATION FILED FEB. 21,1905.

' Z MEETS-SHEET 1.

FIG. I.

INVENTORS.

wn'ussszs. 1% m ZZLJQQQ. M W m No. 793,694.. 7 PATENTED JULY 4, 1905. R. TODD & J. A. & A. H STOTT. SPINNING FRAME.

APPLICATION FILED FEB. 21.1905.

2 SHEETSSHEET 2.

INVENTORS. W 5mm, wrrmzsses. 3% M 41m;

NITED STATES Patented July 4, 1905.

ATENT Orrica.

RICHARD TODD, OF HEATON CHAPEL, AND JESSE AINSVVORTH STOTT AND ABRAHAM HENTHORN STOTT, OF MANCHESTER, ENGLAND.

SPINNING-FRAME.

SPECIFICATION forming part of Letters Patent No. 793,694, dated July 4, 1905.

Application filed February 21, 1905. Serial No. 246,770-

' Lancaster, England, all subjects of the King scribed. I

a of Great Britain and Ireland, have invented certain new and useful Improvements in Means for Facilitating the Spinning of TeX- tile Fibers, (for which we have made an application for patent in Great Britain, No. 5,158, dated March 2, 1904,) of which the following is a specification.

Our invention relates to the spinning of yarns upon the bare spindle of the ordinary or suitable diameter in frames principally of the throstle type.

The reader is referred to the specification of United States Patent granted to two of us and numbered 624,266, wherein the method of obtaining a quick drop of the rising and falling rails from the top of the chase is de- We find in practice that a quick drop during the first instant of time after the top of the chase is reached is of the greatest importance in building good cops, and we further find that the action of gravity in dropping or pulling down the rails is not sufiiciently quick in overcoming the inertia of the parts. According to our invention and to overcome the inertia of the parts and obtain the instant quick drop we propose to use a spring or springs which is or are compressed or eX tended, said springs on release of the rails accelerating the initial movement of the rails or causing instantaneous descent so far as the desired quick drop is concerned.

Such being the nature of our invention, we propose to describe several ways in which springs may be used for our specific purpose, and with a view to aiding us in the disclosure of our invention we have attached to this description two sheets ,of drawings, to which we will throughout refer.

Figure 1 is a sectional elevation of so much of a throstle-frame as will locate the parts and shows oneform of spring fashioned and mounted so as to have the desired effect on the rails, which is the ob ect of our invention. Fig. 2, which is a plan view, shows one spring in connection with the rising and falling rails. Fig. 3 is a broken front elevation of a frame, showing the springs distributed at intervals corresponding with the positions of the pokers and is to be read in conjunction with Figs. 1 and 2. Fig. 4 shows in sectional elevation a modified form of spring, the force or pressure of which on the rising rails is capable of easy regulation. Fig. 5 is a front elevation of certain of the parts seen in Fig. 4. Figs. 6 and 7 show by sectional and front elevation a further modified application of springs for the purpose of our invention, the springs in this case being shown in connection with the pokers.

Referring first of all to Figs. 1, 2, and 3, Sheets 1 and 2, which show the most approved way of applying springs for achieving our object, we use in this case a number of plate or laminated springs a say of such a length as will bridge the distance from rail to rail across the width of the frame. These springs are conveniently of a bent formation and have curved extremities, as clearly shown in Fig. 1, said curved eXtermities resting on small bearers or steps b, which engage and sit on the rising and falling rails 0. These rising and falling rails on both sides of the frame have a single entitythat is to say, the whole of the parts of the rail are combined in one and in all cases move together, no separate movement of one part of the rail being permissible, as in our former United States Patent No. 624,266. The springs a are distributed, say, equidistant along the length of the frame and preferably at positions which coincide with the positions of the pokers d. In order to firmly secure the springs in position and yet to allow of their ready removal, we may support the springs from brackets a, secured at the desired intervals to boards arranged below the rollerbeam, said brackets being formed with snugs or projections e, which engage holes or slots e formed in the springs a, as clearly seen in Figs. 1 and 2. Any other convenient way of carryin the springs a may be used, and instead of resting on the bearers or steps b the ends of the springs may bear directly on the rising and falling rails or other arts in connection therewith. The norma position of the springs with the rails in their lowest position is indicated by the full lines in Fig. 1, while the position of the springs on completion of the lift and immediately prior to release of the rails is denoted by the dotted lines in the same figure.

In the modified form of our invention (seen in Figs. 4 and 5, Sheet 2) we use flat or suitably-shaped springs a, each spring being coiled upon itself into a volute form and having its inner end attached to a rod j, carried by a bracket, such as g. The rod f carries a ratchet-wheel h, with which a pawl i, conveniently pivoted on the bracket g, engages, so that by movement of the ratchet the pressure of each spring upon the rail maybe regulated, the pawl holding the ratchet in any adj usted position. These springs a, coiled upon themselves and attached to spindles, are arranged at the desired intervals, and their shaped extremities may sit on bearers or steps b or rest on the rails or other parts in connection therewith, as may be desired. The full line, Fig. 4, shows the spring at commencement of the lift, while the dotted lines show the spring and rail in the position occupied immediately rior to release of the rail.

The third modi 'cation chosen for description is clearly shown in Figs. 6 and 7, Sheet 3, and consists in the introduction of coiled springs in connection with the pokers with a view to overcoming the inertia and bringing about that immediate quick descent from the cop-nose. In this case we interpose a coiled spring or springs a between each or a number of the poker-feet and the bolsterrails lc, which springs are compressed on the ascent of the pokers and prior to release of the rails, as is indicated in the right-hand half of Fig. 7.

In the various forms of our invention shown it is the intention, as will no doubt have been already grasped, that on the rising or lifting of the rails (or some part or parts in connection therewith) such rise shall deflect the extremities of the springs from their position or otherwise act on or compress the springs, so that such sprin s shall exert their greatest force when the ra' s have accomplished their lift and when the yarn is at the top of the chase. This being the state of the springs, they assist to overcome the inertia of the parts and cause a quick drop of the rails as a whole instantly 6 at that moment of time the latter are released by the action of the copping-cam, and this quick initial drop gives the yarn as it crosses downward a binding effect similar to the disposition of the yarn from the nose in 6 a mule-cop. This quick drop of the yarn from the cop-nose is essential in the building of a good cop, and its immediate performance at the exact instant of time is well accomplished by the use of springs arranged 7 and acting in accordance with this invention.

It is apparent to us that various other forms of springs might be applied and used for our particular purpose; but in the foregoing we have disclosed three of the best 7 ways known to us.

We declare that What we claim is 1. In a continuous-spinning frame, the combination with the rising and fallin rails,

of springs supported between said rails and 8 having their ends bearing thereon, substantially as described.

2. In a continuous-spinning frame, the combination with the rising and falling rails,

of brackets supported above said rails, 8

springs carried by said brackets and having their ends bearing on said rails, substantially as described.

3. In a continuous-s inning frame, the

combination with the rising and falling rails, 9

of bearing-plates carried by said rails, springs supported between said rails and having the1r ends engaging said bearing-plates, substantially as described.

4. In a continuous-spinning frame, the 9 combination with the rising and falling rails and the bearing-plates carried thereby, of flat, bow-shaped springs supported between said rails and having their ends engaging said bearing-plates, substantially as de- 1 scribed.

5. In a spinning-frame of the type described, the combination of the rails, springs engaging said rails, supports therefor and means for adjusting the tension of said.

springs, said springs being compressed by the rise of said rails and serving to actuate the return thereof, substantially as described.

In testimony whereof we have signed our names to this specification in the presence of 1 two subscribing witnesses.

RICHARD TODD. JESSE AINSWORTH S'ITOTT. ABRAHAM HEN'IHORN STO'IT.

Witnesses:

RICHARD IBBERsoN, ALFRED YATES. 

